package com.sky.mapper;

import com.sky.entity.ShoppingCart;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;

import java.util.List;

@Mapper
public interface ShoppingCartMapper {
    /**
     * 查找购物车数据
     * @param shoppingCart
     * @return
     */
    List<ShoppingCart> list(ShoppingCart shoppingCart);

    /**
     * 更新购物车商品数量
     * @param shoppingCart
     */
//    @Update("update shopping_cart set number = #{number} where id = #{id}")
    void updateNumber(ShoppingCart shoppingCart);

    /**
     * 插入购物车数据
     * @param shoppingCart
     */
    @Insert("insert into shopping_cart (name, user_id, dish_id, setmeal_id, dish_flavor, number, amount,"
            + "image, create_time)values (#{name},#{userId},#{dishId},#{setmealId},#{dishFlavor},#{number}"
            + ",#{amount},#{image},#{createTime}) ")
    void insert(ShoppingCart shoppingCart);

    /**
     * 清空购物车
     * @param userId
     */
    @Delete("delete from shopping_cart where user_id =#{userId}")
    void cleanByUserId(Long userId);

    /**
     * 删除购物车中一个商品
     * @param shoppingCart
     */
    void deleteone(ShoppingCart shoppingCart);
}
